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IBPS RRB Computer Awareness Quiz Day 5

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IBPS RRB Computer Awareness Quiz Day 5

shape Introduction

What is Computer Aptitude? Computer Aptitude Test is a scientifically validated test designed to measure the aptitude for working with computers. Basically, it measures the ability to solve problems quickly that is essential to truly succeed in every field using computers.
Computers are an integral part of everyday life. Computer aptitude is an important section in many competitive exams primarily related to recruitment. Candidates preparing for banking exams like IBPS PO, SBI PO, and the RBI, must be prepared with Computer Aptitude syllabus.
"A Computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming". Computers follow a generalized set of operations termed as programs. The programs enable computers to perform an extremely wide range of tasks. Computers are now ubiquitous and are being used in every field of work. Thus, basic knowledge of computers and the ability to operate a computer is now crucial for all job aspirants.
Computer Awareness, also known as Computer Aptitude is one of the prominent sections in various recruitment related competitive exams in India. IBPS RRB Computer Awareness Quiz Day 5 lists some of the important questions for the preparation of Computer Awareness module. The most significant topics to be learnt for Computer Awareness module are as follows:
  1. History of Computers
  2. Computer Fundamentals
  3. Parts of a Computer System
  4. Data Processing Cycle of a Computer
  5. Computer Languages
  6. Input Devices & Output Devices
  7. Operating Systems
  8. Database Management Systems
  9. Microsoft Office
  10. Keyboard Shortcuts
  11. File Extensions
  12. Networking and Internet
  13. Computer Viruses
  14. Important Abbreviations

shape Quiz

1. Programs tend to make memory accesses that are in proximity of previous access this is called
    A. spatial locality B. temporal locality C. reference locality D. access locality

Answer: Option A
2. Which of these is not a level of address on the internet following TCP/IP
    A. Link Address B. Logical address C. layer address D. Port Address

Answer: Option C
3. GIF is the extension of which file
    A. Image source format B. bitmap image format C. Cursor image file. D. Both B and C

Answer: Option A
4. If user A wants to send an encrypted message to user B. The plain text of A is encrypted with the _______.
    A. Public Key of user A B. Public Key of user B C. Private Key of user A D. Private Key of user B

Answer: Option B
5. If the data unit is 111111 and the divisor is 1010. In the CRC method, what is the dividend at the transmission before division ?
    A. 1111110000 B. 1111111010 C. 111111000 D. 111111

Answer: Option C
1. Which of these is the band specification for Bluetooth-2.4-GHz band divided into
    A. 77 channels of 1 MHz each B. 78 channels of 1 MHz each C. 79 channels of 1 MHz each D. 80 channels of 1 MHz each

Answer: Option C
2. Which method is used by Bluetooth in the physical layer to avoid interference from other devices or networks
    A. Wavelength hopping Spread Spectrum (WHSS) B. Time hopping Spread Spectrum (THSS) C. Frequency hopping Spread Spectrum (FHSS) D. All of these

Answer: Option C
3. Which of these uses the Orthogonal Frequency-division Multiplexing for signal generation in a 5Ghz ISM Band.
    A. 802.11 B. 802.11a C. 802.11b D. 802.11c

Answer: Option B
4. In CSMA/CD the transmission is deferred for a period of time called-
    A. Interpacket Space B. Interframe Space C. Intermessage space D. transmission delay

Answer: Option B
5. What is the difference between CSMA/CD and ALOHA?
    A. frame transmission B. Addition of persistence process C. Jamming signal D. All of the above

Answer: Option D
1. What is maximum throughput for slotted ALOHA ?
    A. 0.184 when G = 1 B. 1.84 when G = [latex]\frac{1}{2}[/latex] C. 0.184 when G = [latex]\frac{1}{2}[/latex] D. 1.84 when G=1

Answer: Option C
2. To guarantee the correction of up to t errors in all cases, the minimum Hamming distance in a block code must be
    A. t+1 B. 2t+1 C. 2t D. T

Answer: Option B
3. To guarantee the detection of up to s errors in all cases, the minimum Hamming distance in a block code must be
    A. s+1 B. 2s+1 C. 3s+1 D. s

Answer: Option A
4. Which of these is true for selective-repeat protocol, if m is the size of sequence number field
    A. size of sender and receiver window must be less than 2m B. size of sender and receiver window must be greater than 2m C. size of sender and receiver window must be at most one half of 2m D. size of sender and receiver window must be at least one half of 2m

Answer: Option C
5. In go-back-N protocol the how many times a send window can slide when a valid acknowledge arrives
    A. One B. Two C. Three D. One or more

Answer: Option C

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